The S&P 990300 is a high-efficiency MERV 13 air filter designed as a replacement for the TRCeN500 and TRC(e)1200 Energy Recovery Ventilators. Measuring 14 x 20 x 2 inches, this filter effectively captures airborne particles, ensuring cleaner air and enhanced performance of your ventilation system. Ideal for maintaining indoor air quality, this filter is a reliable choice for homeowners and businesses alike.